In the past, there was _______library ______hospital in my hometown.

A．no, and

B．no, or

C．not, and

D．not, or

导致急性肾小管坏死的主要原因（）

A.肾缺血

B.肾血栓

C.肾中毒

D.肾皮质坏死

E.肾脓肿